The Environmental Protection Agency says that so-called “forever chemicals,” which are harmful to human health, must be removed from U.S. drinking water. It's a moment public health advocates have long called for as PFAS have been linked to certain cancers and birth complications. William Brangham discussed more with Melanie Benesh.

Stream your PBS favorites with the PBS app: https://to.pbs.org/2Jb8twG
Find more from PBS NewsHour at https://www.pbs.org/newshour
Subscribe to our YouTube channel: https://bit.ly/2HfsCD6

Follow us:
TikTok: https://www.tiktok.com/@pbsnews
Twitter: http://www.twitter.com/newshour
Instagram: http://www.instagram.com/newshour
Facebook: http://www.pbs.org/newshour

Subscribe:
PBS NewsHour podcasts: https://www.pbs.org/newshour/podcasts
Newsletters: https://www.pbs.org/newshour/subscribe